Households & Families:In 2010, there were 12,642 households in Northbrook. The average household size was 2.57 people. Families made up 75% of the households in Northbrook, people living alone made up 22% of households, and the remaining 3% were other nonfamily households.

Nativity & Language:In 2007-2011, 19% of the people living in Northbrook were foreign born and 81% were native born, including 62% who were born in Illinois. Among people at least five years old, 28% spoke a language other than English at home. Of these, 2% spoke Spanish and 98% spoke another language.

Education: In 2007-2011, 96% of people 25 years and over had at least graduated from high school, 65% had a bachelor's degree, and 31% had a graduate or professional degree.

The total school enrollment in Northbrook was 8,517 in 2007-2011. Nursery school and kindergarten enrollment was 1,292 and elementary through high school enrollment was 7,225 children. College or graduate school enrollment was 1,900.

Industries & Occupations:In 2007-2011, for the employed population 16 years and older, 23% worked in educational services, health care, and social assistance; 17% worked in professional, scientific, management, administrative, and waste management service; and 15% worked in finance, insurance, real estate, and rental and leasing. The remainder was employed in other lines of work.

59% were in management, professional, and related occupations; 29% were in sales and office occupations; 7% were in service occupations; 3% were in production, transportation, and material moving occupations; and 2% were in construction, extraction, maintenance and repair occupations.

81% of the people employed were private wage and salary workers; 10% were Federal, state, or local government workers; and 9% were self-employed.

Income: The median income of households in Northbrook for 2007-2011 was $110,902. 79% of the households received earnings, 36% received Social Security, and 20% received retirement income other than Social Security. The average income from Social Security was $21,321. Some households received income from more than one source.

In 2007-2011, 4% of people were in poverty. Of people 65 years old and over, 5% were below the poverty level. Of all families, 3% were below poverty level.

Housing Characteristics:In 2010, Northbrook had a total of 13,434 housing units, 6 percent of which were vacant. Of occupied housing units, 89% were owner occupied and 11% were renter occupied.